Female protagonist who transmigrated into the melodramatic novel Jinghua Dinü. She became the true eldest daughter of Prefect Luo who was switched at birth and raised in the countryside. She is bold, competitive, and scientifically minded, believing that practice is the sole criterion for testing truth. She agreed to the substitute marriage to escape her biased parents, but became determined to claim Lin Lang after her sister Luo Jin'er gloated about their childhood sweetheart relationship. She bandaged Xiao Junhe's wound, tested his physical reactions, and ultimately decided to take him as her husband despite feeling disgusted that Luo Jin'er had touched him first.
